Nobita gets jealous because Gian and Suneo are playing with a new remote-controlled robot toy. As usual, Nobita asks Doraemon for a robot. Doraemon refuses at first but eventually uses the "Wherever Door" to find a planet where robots exist.
Originally released in Japan in 1986 and later remade in 2011 as Doraemon: Nobita and the New Steel Troops—Winged Angels doraemon nobita and the steel troops in hindi full movie